Home / 13,216.05-18,237.42-10,066.77

Finding the Fourth Proportional to 13,216.05, 18,237.42 and 10,066.77

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Solution

The fourth proportional to 13,216.05, 18,237.42 and 10,066.77 is: 13,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.05 : 18,237.42 = 10,066.77 : x
  2. Step 2: Convert to fraction form
    13,216.05/18,237.42 = 10,066.77/x
  3. Step 3: Cross multiply
    13,216.05x = 18,237.42 × 10,066.77
  4. Step 4: Simplify right side
    13,216.05x = 183,591,912.53
  5. Step 5: Solve for x
    x = 183,591,912.53/13,216.05
  6. Step 6: Final answer
    x = 13,891.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.